Install Instructions
Viega IM-MTL 0612
724607
3
CONTENTS
1 System Description
1.1 Viega Metal Systems ........................................4
1.2 Special Features ............................................4
2 Seals and Gaskets
2.1 EPDM Sealing Element .......................................6
2.2 FKM Sealing Element ........................................6
2.3 HNBR Sealing Element .......................................6
2.4 Viega Flange Gasket .........................................6
3 SC Feature
3.1 Viega SC Feature ...........................................7
3.2 Testing ...................................................7
4 Press Tools
4.1 Tools .....................................................8
4.2 Pressing Tools ..............................................8
5 General Installation Instructions
5.1 Minimum Distance Between Fittings ............................9
5.2 Pressing In Tight Quarters ....................................9
5.3 Minimimum Space Requirements for the Press Fitting
Process in Front of and Behind from Components ................9
5.4 Transition Connections ......................................12
5.5 Pipe Supports .............................................12
5.6 Minimum Space Requirements for the 2-1/2" – 4"
Press Fittings Upstream and Downstream from Components .......12
6 Areas of Applications
6.1 Commercial and Residential. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.2 Industrial and Plant Operations ...............................13
6.3 Shipbuilding. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.4 Fire Sprinkler Systems ......................................13
6.5 Fuel Gas Systems ..........................................13
6.6 Underground Installation ....................................13
7 ProPress Copper Fittings 1/2" – 4"
7.1 Tube Selection ............................................14
7.2 Handling Instructions .......................................14
7.3 ProPress to Existing Brazed Fitting ............................14
7.4 ProPress to Existing Solder Fitting .............................14
7.5 Soldering or Brazing Near an Existing ProPress Fitting ............14
7.6 Welding Adjacent to ProPress Fittings .........................14
7.7 Rotating a Pressed Fitting ...................................14
7.8 Codes and Approvals .......................................15
7.9 ProPress 1/2" – 2" Installation ................................15
7.10 ProPress XL
®
Installation ....................................16
7.11 ProPress XL-C Installation ..................................17
8 ProPress Stainless Pipe and Fittings 1/2" – 4"
8.1 Viega Press Systems Pipes ..................................18
8.2 Handling Instructions .......................................18
8.3 Welding Near ProPress Stainless Fittings .......................18
8.4 Rotating a Pressed Fitting ...................................18
8.5 Codes and Approvals .......................................18
8.6 ProPress Stainless 1/2" – 4" Installation ........................19
8.7 ProPress Stainless 2-1/2" – 4" Installation ......................19
9 ProfiPress (Metric Copper) 12 mm – 108 mm
9.1 Tube Selection ............................................21
9.2 Handling Instructions .......................................21
9.3 Soldering Near ProfiPress Fittings .............................21
9.4 Rotating a Pressed Fitting ...................................21
9.5 Codes and Approvals .......................................21
9.6 ProfiPress 15 mm – 54 mm Installation .........................21
9.7 ProfiPress 76 mm – 108 mm Installation ........................22
10 Seapress (Metric Cu-Ni-Fe) Fittings 15 mm – 108 mm
10.1 Tube Selection ............................................24
10.2 Handling Instructions ......................................24
10.3 Welding Near Seapress Fittings ..............................24
10.4 Rotating a Pressed Fitting ...................................24
10.5 Codes and Approvals ......................................24
10.6 Seapress 15 mm – 54 mm Installation .........................24
10.7 Seapress 76 mm – 108 mm Installation ........................25
11 Sanpress INOX (Stainless Metric) Pipe and Fittings
15 mm – 108 mm
11.1 Viega Press Systems Pipe ..................................27
11.2 Handling Instructions ......................................27
11.3 Welding Near Sanpress INOX Fittings .........................27
11.4 Rotating a Pressed Fitting ...................................27
11.5 Codes and Approvals ......................................27
11.6 Sanpress INOX 15 mm – 54 mm Installation ....................27
11.7 Sanpress INOX 76 mm – 108 mm Installation ...................28
12 ProPressG
12.1 Welcome ................................................30
12.2 Intent ...................................................30
12.3 History ..................................................30
13 System Description
13.1 System Description ........................................31
13.2 Applications ..............................................31
13.3 Product Description .......................................31
13.4 Advantages ..............................................31
13.5 Approvals and Certifications .................................31
14 ProPressG Applications
14.1 Fuel Gas Systems .........................................32
14.2 Natural Gas/LP Gas Systems ................................32
14.3 Mixed Gases .............................................32
14.4 Fuel Oil Systems ..........................................32
15 Product Description
15.1 Fittings ..................................................33
15.2 HNBR Sealing Element .....................................33
15.3 Copper Tubing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
15.4 Pressing Process Overview .................................34
15.5 Press Connections ........................................35
15.6 The Connection Process .................................... 35
15.7 Approvals ................................................36
16 Installation Requirements
16.1 Clearance Requirements ....................................46
16.2 Protection of Tubing .......................................46
16.3 Appliance Stub Out ........................................47
16.4 Tubing Hangers ...........................................47
16.5 Cutting Tubing ............................................48
16.6 Threaded Adapter .........................................48
16.7 Pressure Testing ..........................................48
16.8 Tubing Exposed to Freezing Temperatures .....................48
16.9 Concealed Spaces ........................................48
16.10 Underground Installations ..................................48
16.11 Identification .............................................48
16.12 Installation Instructions ....................................50
17 System Design and Sizing
17.1 System Design ...........................................51
17.2 System Sizing ............................................52